<template>
  <div>
    <!-- 一级路由出口 -->
    <router-view></router-view>
  </div>
</template>

<script>
export default {
  name: 'App'
}
</script>
<style scoped>
.box {
  width: 300px;       
  height: 300px;
  background-color: #087;
}
</style>
